.main{
    padding: 25px;
}
.seat-all{
    display: flex;
    flex-wrap: wrap;
}
.seat-item{
    width: 100px;
    height: 100px;
    background: url("../images/c.png") no-repeat center;
    line-height: 100px;
    text-align: center;
    margin: 25px;
    box-sizing: border-box;
}
.seat-item:hover{
    cursor: pointer;
}
.seat-no-tip{
    font-size: 25px;
    opacity: 0.5;
}
